Не засчитывает пул stale, у меня это было легко проверить по логам.
P2Pool: 17405 shares in chain (17409 verified/17409 total) Peers: 10 (0 incoming)
2012-03-04 21:41:45.290000 Local: 343MH/s in last 10.0 minutes Local dead on arrival: ~2.1% (0-11%) Expected time to share: 2.0 hours
2012-03-04 21:41:45.290000 Shares: 1 (0 orphan, 0 dead) Stale rate: ~0.0% (0-80%) Efficiency: ~109.7% (22-110%) Current payout: 0.0072 BTC
2012-03-04 21:41:45.290000 Pool: 284GH/s Stale rate: 8.9% Expected time to block: 6.3 hours
2012-03-04 21:41:54.319000 P2Pool: 17405 shares in chain (17409 verified/17409 total) Peers: 10 (0 incoming)
2012-03-04 21:41:54.320000 Local: 336MH/s in last 10.0 minutes Local dead on arrival: ~2.1% (0-12%) Expected time to share: 2.1 hours
2012-03-04 21:41:54.320000 Shares: 1 (0 orphan, 0 dead) Stale rate: ~0.0% (0-80%) Efficiency: ~109.7% (22-110%) Current payout: 0.0072 BTC
2012-03-04 21:41:54.320000 Pool: 284GH/s Stale rate: 8.9% Expected time to block: 6.3 hours
2012-03-04 21:41:57.330000 P2Pool: 17405 shares in chain (17409 verified/17409 total) Peers: 10 (0 incoming)
2012-03-04 21:41:57.331000 Local: 329MH/s in last 10.0 minutes Local dead on arrival: ~2.2% (0-12%) Expected time to share: 2.1 hours
2012-03-04 21:41:57.331000 Shares: 1 (0 orphan, 0 dead) Stale rate: ~0.0% (0-80%) Efficiency: ~109.7% (22-110%) Current payout: 0.0072 BTC
2012-03-04 21:41:57.331000 Pool: 284GH/s Stale rate: 8.9% Expected time to block: 6.3 hours
2012-03-04 21:41:59.176000 GOT SHARE! noob f3c98bc8 prev ffa4c234 age 15.88s
2012-03-04 21:41:59.228000 New work for worker! Difficulty: 0.999985 Share difficulty: 590.307136 Total block value: 50.011500 BTC including 38 transactions
2012-03-04 21:42:00.341000 P2Pool: 17406 shares in chain (17410 verified/17410 total) Peers: 10 (0 incoming)
2012-03-04 21:42:00.342000 Local: 329MH/s in last 10.0 minutes Local dead on arrival: ~2.2% (0-12%) Expected time to share: 2.1 hours
2012-03-04 21:42:00.342000 Shares: 2 (0 orphan, 0 dead) Stale rate: ~0.0% (0-66%) Efficiency: ~109.7% (37-110%) Current payout: 0.0137 BTC
2012-03-04 21:42:00.342000 Pool: 285GH/s Stale rate: 8.9% Expected time to block: 6.3 hours
2012-03-04 21:42:03.352000 P2Pool: 17324 shares in chain (17328 verified/17328 total) Peers: 10 (0 incoming)
2012-03-04 21:42:03.352000 Local: 329MH/s in last 10.0 minutes Local dead on arrival: ~2.2% (0-12%) Expected time to share: 2.1 hours
2012-03-04 21:42:03.354000 Shares: 2 (0 orphan, 0 dead) Stale rate: ~0.0% (0-66%) Efficiency: ~109.7% (37-110%) Current payout: 0.0137 BTC
2012-03-04 21:42:03.354000 Pool: 285GH/s Stale rate: 8.9% Expected time to block: 6.3 hours
2012-03-04 21:42:04.481000 New work for worker! Difficulty: 0.999985 Share difficulty: 590.307136 Total block value: 50.003500 BTC including 11 transactions
2012-03-04 21:42:05.064000 New work for worker! Difficulty: 0.999985 Share difficulty: 589.651815 Total block value: 50.003500 BTC including 11 transactions
2012-03-04 21:42:06.365000 P2Pool: 17325 shares in chain (17329 verified/17329 total) Peers: 10 (0 incoming)
2012-03-04 21:42:06.365000 Local: 322MH/s in last 10.0 minutes Local dead on arrival: ~2.2% (0-12%) Expected time to share: 2.2 hours
2012-03-04 21:42:06.365000 Shares: 2 (1 orphan, 0 dead) Stale rate: ~50.0% (9-91%) Efficiency: ~54.9% (10-100%) Current payout: 0.0072 BTC
2012-03-04 21:42:06.365000 Pool: 284GH/s Stale rate: 9.0% Expected time to block: 6.3 hours
2012-03-04 21:42:12.387000 P2Pool: 17325 shares in chain (17329 verified/17329 total) Peers: 10 (0 incoming)
2012-03-04 21:42:12.387000 Local: 329MH/s in last 10.0 minutes Local dead on arrival: ~2.2% (0-12%) Expected time to share: 2.1 hours
2012-03-04 21:42:12.387000 Shares: 2 (1 orphan, 0 dead) Stale rate: ~50.0% (9-91%) Efficiency: ~54.9% (10-100%) Current payout: 0.0072 BTC
2012-03-04 21:42:12.388000 Pool: 284GH/s Stale rate: 9.0% Expected time to block: 6.3 hours
2012-03-04 21:42:15.399000 P2Pool: 17325 shares in chain (17329 verified/17329 total) Peers: 10 (0 incoming)
2012-03-04 21:42:15.403000 Local: 336MH/s in last 10.0 minutes Local dead on arrival: ~2.1% (0-12%) Expected time to share: 2.1 hours
2012-03-04 21:42:15.403000 Shares: 2 (1 orphan, 0 dead) Stale rate: ~50.0% (9-91%) Efficiency: ~54.9% (10-100%) Current payout: 0.0072 BTC
2012-03-04 21:42:15.404000 Pool: 284GH/s Stale rate: 9.0% Expected time to block: 6.3 hours
2012-03-04 21:42:18.416000 P2Pool: 17325 shares in chain (17329 verified/17329 total) Peers: 10 (0 incoming)
2012-03-04 21:42:18.416000 Local: 329MH/s in last 10.0 minutes Local dead on arrival: ~2.2% (0-12%) Expected time to share: 2.1 hours
2012-03-04 21:42:18.416000 Shares: 2 (1 orphan, 0 dead) Stale rate: ~50.0% (9-91%) Efficiency: ~54.9% (10-100%) Current payout: 0.0072 BTC
2012-03-04 21:42:18.417000 Pool: 284GH/s Stale rate: 9.0% Expected time to block: 6.3 hours
2012-03-04 21:42:20.364000 New work for worker! Difficulty: 0.999985 Share difficulty: 589.569496 Total block value: 50.003500 BTC including 9 transactions
2012-03-04 21:42:21.428000 P2Pool: 17326 shares in chain (17330 verified/17330 total) Peers: 10 (0 incoming)
есть ещё и второй пример
Shares: 1 (0 orphan, 0 dead) Stale rate: ~0.0% (0-80%) Efficiency: ~109.9% (22-110%) Current payout: 0.0206 BTC
2012-03-05 15:25:05.191000 Pool: 299GH/s Stale rate: 9.0% Expected time to block: 6.0 hours
2012-03-05 15:25:06.286000 New work for worker! Difficulty: 0.999985 Share difficulty: 662.667493 Total block value: 50.001500 BTC including 14 transactions
2012-03-05 15:25:08.201000 P2Pool: 17447 shares in chain (17452 verified/17452 total) Peers: 10 (0 incoming)
2012-03-05 15:25:08.201000 Local: 300MH/s in last 10.0 minutes Local dead on arrival: ~0.0% (0-9%) Expected time to share: 2.6 hours
2012-03-05 15:25:08.201000 Shares: 1 (0 orphan, 0 dead) Stale rate: ~0.0% (0-80%) Efficiency: ~109.9% (22-110%) Current payout: 0.0206 BTC
2012-03-05 15:25:08.201000 Pool: 300GH/s Stale rate: 9.0% Expected time to block: 5.9 hours
2012-03-05 15:25:11.574000 New work for worker! Difficulty: 0.999985 Share difficulty: 656.774669 Total block value: 50.001500 BTC including 14 transactions
2012-03-05 15:25:13.060000 GOT SHARE! noob 457ab9bb prev c3e5996c age 1.49s
2012-03-05 15:25:13.142000 New work for worker! Difficulty: 0.999985 Share difficulty: 658.527080 Total block value: 50.001500 BTC including 14 transactions
2012-03-05 15:25:13.402000 New work for worker! Difficulty: 0.999985 Share difficulty: 656.535523 Total block value: 50.001500 BTC including 14 transactions
2012-03-05 15:25:14.221000 P2Pool: 17367 shares in chain (17372 verified/17372 total) Peers: 10 (0 incoming)
2012-03-05 15:25:14.221000 Local: 307MH/s in last 10.0 minutes Local dead on arrival: ~0.0% (0-9%) Expected time to share: 2.5 hours
2012-03-05 15:25:14.221000 Shares: 2 (1 orphan, 0 dead) Stale rate: ~50.0% (9-91%) Efficiency: ~54.9% (10-100%) Current payout: 0.0206 BTC
2012-03-05 15:25:14.221000 Pool: 300GH/s Stale rate: 9.0% Expected time to block: 6.0 hours
2012-03-05 15:25:20.241000 P2Pool: 17367 shares in chain (17372 verified/17372 total) Peers: 10 (0 incoming)
2012-03-05 15:25:20.241000 Local: 300MH/s in last 10.0 minutes Local dead on arrival: ~0.0% (0-9%) Expected time to share: 2.6 hours
2012-03-05 15:25:20.242000 Shares: 2 (1 orphan, 0 dead) Stale rate: ~50.0% (9-91%) Efficiency: ~54.9% (10-100%) Current payout: 0.0206 BTC